RE: [asa] tractors are needed to grow corn

George,

This is from the Coskata site that Bill mentioned today.

http://www.coskata.com/EthanolEnergyPositive.asp

Energy Positive Process

The production and conversion of biomass into ethanol through Coskata's
gasification and biofermentation process has the ability to be net energy
positive and highly efficient with water.
Coskata's patented ethanol separation technology reduces separation energy
requirements by more than 50%

The Coskata process can take in a wide variety of biomass input materials
with very little fossil fuels used to grow, harvest, or transport. Sources
requiring minimal irrigation can also be utilized

The Coskata process can run under low temperature and low pressure
conditions, allowing for the recovery of energy from the hot synthesis gas
coming out of the gasifier

After the organisms ferment the syngas into ethanol, the remaining syngas
can be burned for the production of even more useful energy

A Coskata plant does not need to use natural gas or fossil fuels in the
production of ethanol
The Coskata process requires <1 gallon of fresh water per gallon of ethanol
produced

-----Original Message-----
From: asa-owner@lists.calvin.edu [mailto:asa-owner@lists.calvin.edu] On
Behalf Of George Murphy
Sent: Friday, June 13, 2008 4:06 PM
To: James Mahaffy; asa@calvin.edu
Subject: Re: [asa] tractors are needed to grow corn

Also you're going to need energy for distillation to get ethanol of any
strength.

Shalom
George
http://web.raex.com/~gmurphy/
----- Original Message -----
From: "James Mahaffy" <Mahaffy@dordt.edu>
To: <asa@calvin.edu>
Sent: Friday, June 13, 2008 2:37 PM
Subject: [asa] tractors are needed to grow corn

>>>> "j burg" <hossradbourne@gmail.com> 06/13/08 9:53 AM >>>
> On 6/13/08, drsyme@cablespeed.com <drsyme@cablespeed.com> wrote:
>>
>>
>> Is it just me or does it seem obvious that, in the big picture, the
>> answer
>> to both of these problems is the same? We have to stop burning fossil
>> fuels.
>>
> Yes. Interesting enough, ethanol does not have GW effects. An ear of
> corn, whether it rots on the stalk, is eaten, or turned into fuel,
> only returns to the atmosphere what it already used in growing.
>
> I have yet seen corn grown without a lot of fossil fuel for the
> tractor
> and that takes fossil fuel.
>
> --
>
> James Mahaffy (mahaffy@dordt.edu) Phone: 712 722-6279
> 498 4th Ave NE
> Biology Department FAX : 712 722-1198
> Dordt College, Sioux Center IA 51250-1697
>
>
>
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Received on Fri Jun 13 16:33:31 2008